[Revised entry by Lisa Bortolotti on January 29, 2018.
Changes to: Main text, Bibliography]
This entry focuses on the phenomenon of clinical delusions. Although the nature of delusions is controversial, as we shall see, delusions are often characterised as strange beliefs that appear in the context of mental distress. Indeed, clinical delusions are a symptom of psychiatric disorders such as dementia and schizophrenia, and they also characterize delusional disorders. The following case descriptions include one instance of erotomania, the delusion that...